托杉 (tok3 caam3) — to do something pointless; to try to do something that is beyone one's ability [colloquial] in Cantonese
tok˗₃托caam˗₃杉Mandarin Pinyin: tuo1 shan1
Meaning of 托杉
nounto do something pointless; to try to do something that is beyone one's ability [colloquial]